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<div class="title">Vector3.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// =========================================================================================</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// KXG363 - Advanced Games Programming, 2012</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// =========================================================================================</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Author: Robert Ollington</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// vector3.h</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// 3d vector class</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// Adapted from Ogre3D</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#ifndef VECTOR3_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define VECTOR3_H</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">namespace </span>T3D</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html">   22</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        <span class="keywordtype">float</span> x, y, z;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>()</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        }</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>( <span class="keyword">const</span> <span class="keywordtype">float</span> x, <span class="keyword">const</span> <span class="keywordtype">float</span> y, <span class="keyword">const</span> <span class="keywordtype">float</span> z )</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;            : x( x ), y( y ), z( z )</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        }</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>( <span class="keyword">const</span> <span class="keywordtype">float</span> arr[3] )</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;            : x( arr[0] ),</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;              y( arr[1] ),</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;              z( arr[2] )</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        }</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keyword">inline</span> <span class="keyword">explicit</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>( <span class="keywordtype">float</span>* <span class="keyword">const</span> arr )</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            : x( arr[0] ), y( arr[1] ), z( arr[2] )</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        }</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a4fbe97c91a8fc9b655ad0b9f3604427e">   52</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_t3_d_1_1_vector3.html#a4fbe97c91a8fc9b655ad0b9f3604427e">swap</a>(<a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other)</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        {</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            std::swap(x, other.x);</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            std::swap(y, other.y);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            std::swap(z, other.z);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> operator [] ( <span class="keyword">const</span> <span class="keywordtype">int</span> i )<span class="keyword"> const</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            assert( i &lt; 3 );</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            <span class="keywordflow">return</span> *(&amp;x+i);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span>&amp; operator [] ( <span class="keyword">const</span> <span class="keywordtype">int</span> i )</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            assert( i &lt; 3 );</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            <span class="keywordflow">return</span> *(&amp;x+i);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        }</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a5621caf8a115d205c424e2370b1e57f4">   73</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span>* <a class="code" href="class_t3_d_1_1_vector3.html#a5621caf8a115d205c424e2370b1e57f4">ptr</a>()</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        {</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <span class="keywordflow">return</span> &amp;x;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="comment">/*inline const float* ptr() const</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">        {</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">            return &amp;x;</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">        }*/</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a198123d63032b2a33c4a3dc6e7e044e2">   87</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; <a class="code" href="class_t3_d_1_1_vector3.html#a198123d63032b2a33c4a3dc6e7e044e2">operator = </a>( <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other )</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;            x = other.x;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            y = other.y;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            z = other.z;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        }</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator == ( <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            <span class="keywordflow">return</span> ( x == other.x &amp;&amp; y == other.y &amp;&amp; z == other.z );</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator != ( <span class="keyword">const</span> Vector3&amp; other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="keywordflow">return</span> ( x != other.x || y != other.y || z != other.z );</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="comment">// arithmetic operations</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        <span class="keyword">inline</span> Vector3 operator + ( <span class="keyword">const</span> Vector3&amp; other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                x + other.x,</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                y + other.y,</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                z + other.z);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        }</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keyword">inline</span> Vector3 operator - ( <span class="keyword">const</span> Vector3&amp; other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                x - other.x,</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                y - other.y,</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                z - other.z);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        }</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keyword">inline</span> Vector3 operator * ( <span class="keyword">const</span> <span class="keywordtype">float</span> s )<span class="keyword"> const</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                x * s,</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                y * s,</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                z * s);</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        }</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keyword">inline</span> Vector3 operator / ( <span class="keyword">const</span> <span class="keywordtype">float</span> s )<span class="keyword"> const</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            assert( s != 0.0 );</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;            <span class="keywordtype">float</span> inv = 1.0f / s;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                x * inv,</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                y * inv,</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                z * inv);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        }</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keyword">inline</span> <span class="keyword">const</span> Vector3&amp; operator + ()<span class="keyword"> const</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        }</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keyword">inline</span> Vector3 operator - ()<span class="keyword"> const</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <span class="keywordflow">return</span> Vector3(-x, -y, -z);</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="comment">// overloaded operators to help Vector3</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keyword">inline</span> <span class="keyword">friend</span> Vector3 operator * ( <span class="keyword">const</span> <span class="keywordtype">float</span> s, <span class="keyword">const</span> Vector3&amp; v )</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                s * v.x,</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                s * v.y,</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                s * v.z);</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        <span class="keyword">inline</span> <span class="keyword">friend</span> Vector3 operator / ( <span class="keyword">const</span> <span class="keywordtype">float</span> s, <span class="keyword">const</span> Vector3&amp; v )</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        {</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">return</span> Vector3(</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                s / v.x,</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                s / v.y,</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                s / v.z);</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        }</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="comment">// arithmetic updates</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keyword">inline</span> Vector3&amp; operator += ( <span class="keyword">const</span> Vector3&amp; other )</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        {</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            x += other.x;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            y += other.y;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            z += other.z;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        }</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keyword">inline</span> Vector3&amp; operator -= ( <span class="keyword">const</span> Vector3&amp; other )</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        {</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            x -= other.x;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            y -= other.y;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            z -= other.z;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keyword">inline</span> Vector3&amp; operator *= ( <span class="keyword">const</span> <span class="keywordtype">float</span> s )</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        {</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            x *= s;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            y *= s;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            z *= s;</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        }</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        <span class="keyword">inline</span> Vector3&amp; operator /= ( <span class="keyword">const</span> <span class="keywordtype">float</span> s )</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        {</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            assert( s != 0.0 );</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keywordtype">float</span> inv = 1.0f / s;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            x *= inv;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            y *= inv;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            z *= inv;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        }</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">  217</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">length</a> ()<span class="keyword"> const</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;            <span class="keywordflow">return</span> sqrt( x * x + y * y + z * z );</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        }</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div>
<div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#acd91aebbd70888894baefb8b2695f621">  232</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#acd91aebbd70888894baefb8b2695f621">squaredLength</a> ()<span class="keyword"> const</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;            <span class="keywordflow">return</span> x * x + y * y + z * z;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        }</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div>
<div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a452a6bc7d41540004966cea379b47ac7">  244</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#a452a6bc7d41540004966cea379b47ac7">distance</a>(<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;            <span class="keywordflow">return</span> (*<span class="keyword">this</span> - other).length();</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        }</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div>
<div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#ab035928e8e3ddc55ad9218c734cb92c3">  259</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#ab035928e8e3ddc55ad9218c734cb92c3">squaredDistance</a>(<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            <span class="keywordflow">return</span> (*<span class="keyword">this</span> - other).squaredLength();</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        }</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;</div>
<div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#aea3be73fc8042f2bd19f81672f70945b">  278</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#aea3be73fc8042f2bd19f81672f70945b">dot</a>(<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other)<span class="keyword"> const</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="keywordflow">return</span> x * other.x + y * other.y + z * other.z;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        }</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;</div>
<div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a8df4e6ed9be84d7ba432a739dfaaed2f">  292</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_t3_d_1_1_vector3.html#a8df4e6ed9be84d7ba432a739dfaaed2f">normalise</a>()</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        {</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">length</a> = sqrt( x * x + y * y + z * z );</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            <span class="comment">// Will also work for zero-sized vectors, but will change nothing</span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;            <span class="keywordflow">if</span> ( length &gt; 1e-08 )</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;            {</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;                <span class="keywordtype">float</span> inv = 1.0f / <a class="code" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">length</a>;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;                x *= inv;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;                y *= inv;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;                z *= inv;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            }</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;        }</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;</div>
<div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a6c6b47c937d245df6760f182b3f07372">  334</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> <a class="code" href="class_t3_d_1_1_vector3.html#a6c6b47c937d245df6760f182b3f07372">cross</a>( <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other )<span class="keyword"> const</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>(</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;                y * other.z - z * other.y,</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                z * other.x - x * other.z,</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;                x * other.y - y * other.x);</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        }</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;</div>
<div class="line"><a name="l00346"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#ae31951331ffa4d0bdb00f61cfd2ca84f">  346</a></span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="class_t3_d_1_1_vector3.html#ae31951331ffa4d0bdb00f61cfd2ca84f">angleBetween</a>(<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; other)</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        {</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;            <span class="keywordtype">float</span> lenProduct = <a class="code" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">length</a>() * other.<a class="code" href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">length</a>();</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            <span class="comment">// Divide by zero check</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;            <span class="keywordflow">if</span>(lenProduct &lt; 1e-6f)</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;                lenProduct = 1e-6f;</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            <span class="keywordtype">float</span> f = <a class="code" href="class_t3_d_1_1_vector3.html#aea3be73fc8042f2bd19f81672f70945b">dot</a>(other) / lenProduct;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;            <span class="keywordflow">return</span> acos(f);</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;        }</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;</div>
<div class="line"><a name="l00362"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a9466d3b20483399676c0f040a83ee5fb">  362</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> <a class="code" href="class_t3_d_1_1_vector3.html#a9466d3b20483399676c0f040a83ee5fb">normalised</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;            <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> ret = *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;            ret.<a class="code" href="class_t3_d_1_1_vector3.html#a8df4e6ed9be84d7ba432a739dfaaed2f">normalise</a>();</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;        }</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;</div>
<div class="line"><a name="l00372"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a3639eebd96e854b54015809f22b69770">  372</a></span>&#160;        <span class="keyword">inline</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> <a class="code" href="class_t3_d_1_1_vector3.html#a3639eebd96e854b54015809f22b69770">reflect</a>(<span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; normal)<span class="keyword"> const</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>( *<span class="keyword">this</span> - ( 2 * this-&gt;<a class="code" href="class_t3_d_1_1_vector3.html#aea3be73fc8042f2bd19f81672f70945b">dot</a>(normal) * normal ) );</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        }</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="keyword">static</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> lerp(<a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> first, <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a> second, <span class="keywordtype">float</span> t){ </div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;            <span class="keywordflow">return</span> t*(second-first)+first; </div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        }</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        <span class="keyword">inline</span> <span class="keyword">friend</span> std::ostream&amp; <span class="keyword">operator</span> &lt;&lt;</div>
<div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="class_t3_d_1_1_vector3.html#a151b7be26d6dc535fd2583f74011084d">  384</a></span>&#160;            ( std::ostream&amp; o, <span class="keyword">const</span> <a class="code" href="class_t3_d_1_1_vector3.html">Vector3</a>&amp; v )</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;        {</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;            o &lt;&lt; <span class="stringliteral">&quot;Vector3(&quot;</span> &lt;&lt; v.x &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; v.y &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; v.z &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            <span class="keywordflow">return</span> o;</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        }</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    };</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;}</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a3639eebd96e854b54015809f22b69770"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a3639eebd96e854b54015809f22b69770">T3D::Vector3::reflect</a></div><div class="ttdeci">Vector3 reflect(const Vector3 &amp;normal) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:372</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_aea3be73fc8042f2bd19f81672f70945b"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#aea3be73fc8042f2bd19f81672f70945b">T3D::Vector3::dot</a></div><div class="ttdeci">float dot(const Vector3 &amp;other) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:278</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a452a6bc7d41540004966cea379b47ac7"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a452a6bc7d41540004966cea379b47ac7">T3D::Vector3::distance</a></div><div class="ttdeci">float distance(const Vector3 &amp;other) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:244</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_ae31951331ffa4d0bdb00f61cfd2ca84f"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#ae31951331ffa4d0bdb00f61cfd2ca84f">T3D::Vector3::angleBetween</a></div><div class="ttdeci">float angleBetween(const Vector3 &amp;other)</div><div class="ttdef"><b>Definition:</b> Vector3.h:346</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_ab035928e8e3ddc55ad9218c734cb92c3"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#ab035928e8e3ddc55ad9218c734cb92c3">T3D::Vector3::squaredDistance</a></div><div class="ttdeci">float squaredDistance(const Vector3 &amp;other) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:259</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html"><div class="ttname"><a href="class_t3_d_1_1_vector3.html">T3D::Vector3</a></div><div class="ttdef"><b>Definition:</b> Vector3.h:22</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a6c6b47c937d245df6760f182b3f07372"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a6c6b47c937d245df6760f182b3f07372">T3D::Vector3::cross</a></div><div class="ttdeci">Vector3 cross(const Vector3 &amp;other) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:334</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a198123d63032b2a33c4a3dc6e7e044e2"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a198123d63032b2a33c4a3dc6e7e044e2">T3D::Vector3::operator=</a></div><div class="ttdeci">Vector3 &amp; operator=(const Vector3 &amp;other)</div><div class="ttdoc">Pointer accessor for direct copying. </div><div class="ttdef"><b>Definition:</b> Vector3.h:87</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a9466d3b20483399676c0f040a83ee5fb"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a9466d3b20483399676c0f040a83ee5fb">T3D::Vector3::normalised</a></div><div class="ttdeci">Vector3 normalised(void) const </div><div class="ttdef"><b>Definition:</b> Vector3.h:362</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a5621caf8a115d205c424e2370b1e57f4"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a5621caf8a115d205c424e2370b1e57f4">T3D::Vector3::ptr</a></div><div class="ttdeci">float * ptr()</div><div class="ttdoc">Pointer accessor for direct copying. </div><div class="ttdef"><b>Definition:</b> Vector3.h:73</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a4fbe97c91a8fc9b655ad0b9f3604427e"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a4fbe97c91a8fc9b655ad0b9f3604427e">T3D::Vector3::swap</a></div><div class="ttdeci">void swap(Vector3 &amp;other)</div><div class="ttdef"><b>Definition:</b> Vector3.h:52</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a65c1d2dc44afb8cf90e4762a3287f6c0"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a65c1d2dc44afb8cf90e4762a3287f6c0">T3D::Vector3::length</a></div><div class="ttdeci">float length() const </div><div class="ttdef"><b>Definition:</b> Vector3.h:217</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_acd91aebbd70888894baefb8b2695f621"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#acd91aebbd70888894baefb8b2695f621">T3D::Vector3::squaredLength</a></div><div class="ttdeci">float squaredLength() const </div><div class="ttdef"><b>Definition:</b> Vector3.h:232</div></div>
<div class="ttc" id="class_t3_d_1_1_vector3_html_a8df4e6ed9be84d7ba432a739dfaaed2f"><div class="ttname"><a href="class_t3_d_1_1_vector3.html#a8df4e6ed9be84d7ba432a739dfaaed2f">T3D::Vector3::normalise</a></div><div class="ttdeci">void normalise()</div><div class="ttdef"><b>Definition:</b> Vector3.h:292</div></div>
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